The verb TO BE

Hi! How are you doing?
Let's review the verb to be?

Exercises:

http://www.englisch-hilfen.de/en/exercises/tenses/be3.htm

http://www.myenglishpages.com/site_php_files/grammar-exercise-be-present.php

http://www.eclecticenglish.com/grammar/PresentSimpleToBe1B.html

http://www.eclecticenglish.com/grammar/PresentSimpleToBe1C.html (questions)

http://www.englishexercises.org/makeagame/viewgame.asp?id=8214  (questions)

http://www.englisch-hilfen.de/en/exercises/questions/be.htm  (questions)

http://www.eclecticenglish.com/grammar/PresentSimpleToBe1A.html

http://www.juntadeandalucia.es/averroes/ceip_san_tesifon/recursos/ingles/act_interactivas/cuestionarios/gram_order_1.htm